glibc/include/caller.h

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/* Copyright (C) 2004-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _CALLER_H
#define _CALLER_H 1
#include <ldsodefs.h>
/* _dl_check_caller only works in DSOs. */
#ifdef SHARED
# define __check_caller(caller, mask) \
GLRO(dl_check_caller) (caller, mask)
#else
# define __check_caller(caller, mask) (0)
#endif
#endif /* caller.h */